java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -s ../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-502d2f4 [2018-10-12 21:09:07,467 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-12 21:09:07,469 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-12 21:09:07,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-12 21:09:07,487 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-12 21:09:07,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-12 21:09:07,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-12 21:09:07,493 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-12 21:09:07,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-12 21:09:07,496 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-12 21:09:07,497 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-12 21:09:07,504 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-12 21:09:07,505 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-12 21:09:07,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-12 21:09:07,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-12 21:09:07,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-12 21:09:07,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-12 21:09:07,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-12 21:09:07,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-12 21:09:07,520 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-12 21:09:07,521 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-12 21:09:07,524 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-12 21:09:07,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-12 21:09:07,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-12 21:09:07,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-12 21:09:07,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-12 21:09:07,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-12 21:09:07,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-12 21:09:07,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-12 21:09:07,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-12 21:09:07,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-12 21:09:07,539 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-12 21:09:07,542 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/heapseparator/heapsep-2018-09-18.epf [2018-10-12 21:09:07,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-12 21:09:07,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-12 21:09:07,558 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-12 21:09:07,559 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-10-12 21:09:07,559 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-10-12 21:09:07,559 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-12 21:09:07,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-12 21:09:07,560 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-10-12 21:09:07,560 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-12 21:09:07,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-10-12 21:09:07,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-12 21:09:07,561 INFO L133 SettingsManager]: * Order in Petri net unfolding=Ken McMillan [2018-10-12 21:09:07,561 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-12 21:09:07,563 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-12 21:09:07,563 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-10-12 21:09:07,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-12 21:09:07,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-12 21:09:07,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-12 21:09:07,655 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-12 21:09:07,655 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-12 21:09:07,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-12 21:09:07,656 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl' [2018-10-12 21:09:07,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-12 21:09:07,744 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-10-12 21:09:07,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-12 21:09:07,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-12 21:09:07,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-12 21:09:07,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... [2018-10-12 21:09:07,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-12 21:09:07,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-12 21:09:07,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-12 21:09:07,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-12 21:09:07,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-12 21:09:07,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-12 21:09:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-12 21:09:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-12 21:09:08,493 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-12 21:09:08,494 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:09:08 BoogieIcfgContainer [2018-10-12 21:09:08,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-12 21:09:08,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-12 21:09:08,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-12 21:09:08,502 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-12 21:09:08,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 09:09:07" (1/2) ... [2018-10-12 21:09:08,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df3cbe5 and model type openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:09:08, skipping insertion in model container [2018-10-12 21:09:08,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:09:08" (2/2) ... [2018-10-12 21:09:08,506 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl [2018-10-12 21:09:08,517 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-10-12 21:09:08,526 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-12 21:09:08,544 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-12 21:09:08,579 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-12 21:09:08,580 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-12 21:09:08,580 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-12 21:09:08,580 INFO L384 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-10-12 21:09:08,580 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-12 21:09:08,580 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-12 21:09:08,580 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-12 21:09:08,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-12 21:09:08,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-12 21:09:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-10-12 21:09:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-12 21:09:08,630 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:09:08,632 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:09:08,634 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:09:08,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:09:08,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1163621418, now seen corresponding path program 1 times [2018-10-12 21:09:08,703 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:09:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:09:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:09:09,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-12 21:09:09,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-10-12 21:09:09,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-12 21:09:09,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-12 21:09:09,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-10-12 21:09:09,624 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 13 states. [2018-10-12 21:09:10,157 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-12 21:09:11,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:09:11,125 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-10-12 21:09:11,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-12 21:09:11,127 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2018-10-12 21:09:11,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:09:11,143 INFO L225 Difference]: With dead ends: 129 [2018-10-12 21:09:11,143 INFO L226 Difference]: Without dead ends: 129 [2018-10-12 21:09:11,146 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2018-10-12 21:09:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-10-12 21:09:11,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 120. [2018-10-12 21:09:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-10-12 21:09:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-10-12 21:09:11,197 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 84 [2018-10-12 21:09:11,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:09:11,198 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-10-12 21:09:11,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-12 21:09:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-10-12 21:09:11,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-12 21:09:11,208 INFO L367 BasicCegarLoop]: Found error trace [2018-10-12 21:09:11,208 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-12 21:09:11,209 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-12 21:09:11,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-12 21:09:11,210 INFO L82 PathProgramCache]: Analyzing trace with hash -2061212213, now seen corresponding path program 1 times [2018-10-12 21:09:11,211 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-10-12 21:09:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-12 21:09:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-12 21:09:11,743 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-10-12 21:09:11,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-10-12 21:09:11,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-12 21:09:11,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-12 21:09:11,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2018-10-12 21:09:11,746 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 15 states. [2018-10-12 21:09:12,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-12 21:09:12,941 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-10-12 21:09:12,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-10-12 21:09:12,944 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 119 [2018-10-12 21:09:12,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-12 21:09:12,946 INFO L225 Difference]: With dead ends: 127 [2018-10-12 21:09:12,946 INFO L226 Difference]: Without dead ends: 0 [2018-10-12 21:09:12,947 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=712, Unknown=0, NotChecked=0, Total=930 [2018-10-12 21:09:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-12 21:09:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-12 21:09:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-12 21:09:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-12 21:09:12,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2018-10-12 21:09:12,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-12 21:09:12,949 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-12 21:09:12,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-12 21:09:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-12 21:09:12,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-12 21:09:12,954 INFO L202 PluginConnector]: Adding new model openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:09:12 BoogieIcfgContainer [2018-10-12 21:09:12,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-12 21:09:12,955 INFO L168 Benchmark]: Toolchain (without parser) took 5211.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 298.7 MB). Peak memory consumption was 298.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:09:12,957 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:09:12,958 INFO L168 Benchmark]: Boogie Preprocessor took 60.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-12 21:09:12,958 INFO L168 Benchmark]: RCFGBuilder took 688.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-12 21:09:12,959 INFO L168 Benchmark]: TraceAbstraction took 4457.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 267.0 MB). Peak memory consumption was 267.0 MB. Max. memory is 7.1 GB. [2018-10-12 21:09:12,963 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 688.57 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4457.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 267.0 MB). Peak memory consumption was 267.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 167]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 95 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 159 SDtfs, 915 SDslu, 863 SDs, 0 SdLazy, 482 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 110905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-10-12_21-09-12-973.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_16.bpl_heapsep-2018-09-18.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-12_21-09-12-973.csv Received shutdown request...